[plug] mailing lists and DKIM

Adrian Woodley Adrian at ScreamingRoot.org
Mon Apr 29 11:23:20 UTC 2013


Agreed, this would be the preferred way of doing it, however breaks DKIM 
signing.

Its a bold new world.

Adrian

On 2013-04-29 14:38, Simon Wise wrote:
> On 29/04/13 16:46, Adrian Woodley wrote:
> G'day PLUG,
> 
> After a bit of research and testing, I've come up with a 
> semi-reasonable
> solution to this problem. The following handler script will replace the 
> From
> address with the address of the list, and set the Reply-To to be the 
> original
> sender's address. This allows the original sender to be reasonably 
> easily
> identified, while still allowing the mailing list to modify and re-sign 
> the
> emails on transmission.
> 
> some disagree but generally leaving the Reply-to and From unchanged
> (which may of course be different) and adding headers like
> 
> Precedence: list
> List-Id:
> List-Unsubscribe:
> List-Archive:
> List-Post:
> List-Help:
> List-Subscribe:
> 
> is the way to manage a list because:
> 
> 1/  most clients will use the List-Id header to offer a reply-to-list 
> option
> 
> 2/ it is considered by many that the problem of accidently sending a
> private reply to a list is much worse than accidently sending a reply
> intended for the list privately.
> 
> not sure how this fits with your signing though
> 
> 
> Simon
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